Poll for Git Mastery problem sets #21

	name: Poll for Git Mastery problem sets

	on:
	workflow_dispatch:

	schedule:
	- cron: "0 12 * * *"

	jobs:
	poll:
	runs-on: ubuntu-latest
	steps:
	- name: Fetch all
	uses: actions/github-script@v7
	with:
	github-token: ${{ secrets.ORG_PAT }}
	script: \|
	const repos = await github.paginate(github.rest.search.repos, {
	q: "topic:problem-set org:git-mastery",
	})
	const repoGroups = new Map();
	for (const repo of repos) {
	for (const topic of repo.topics) {
	if (topic !== "problem-set") {
	if (!repoGroups.has(topic)) {
	repoGroups.set(topic, [])
	}
	repoGroups.get(topic).push(repo)
	}
	}
	}


	let newReadme = `
	# Git Mastery Problems Directory

	To download any of these repositories, follow the [setup instructions here](https://git-mastery.github.io/website/docs/setup/prerequisite-setup/).

	With the download script, run the following command for each problem set:

	\`\`\`bash
	bash download.sh <exercise name>
	\`\`\`
	`

	new Map([...repoGroups.entries()].sort()).forEach((value, key) => {
	const data = value.map(v => `\|${v.name}\|[Instructions](${v.html_url})\|${v.forks_count}\|`).join("\n")
	newReadme += `
	## \`${key}\`

	\|Exercise\|Link\|Attempts\|
	\|--------\|----\|--------\|
	${data}
	`
	})

	const existingReadme = await github.rest.repos.getContent({
	owner: context.repo.owner,
	repo: "problems-directory",
	path: "README.md",
	})

	await github.rest.repos.createOrUpdateFileContents({
	owner: context.repo.owner,
	repo: "problems-directory",
	path: "README.md",
	message: "Update problem sets list",
	content: btoa(newReadme),
	sha: existingReadme.data.sha,
	})

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